If the acute angle between the lines x^(...

If the acute angle between the lines `x^(2)-4hxy+3y^(2)=0` is `60^(@)` then `h=`

A

(a) `+-(sqrt(5))/2`

B

(b) `+-(sqrt(10))/2`

C

(c) `+-(sqrt(15))/2`

D

(d) `1`

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The correct Answer is:

C

NA

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